High-voltage Measurement Techniques |
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ac voltages amplifier Arch ATM-Blatt C₁ C₂ calculated calibration capacitive dividers capacitive voltage divider capacitor cathode-ray oscilloscope characteristic impedance charging current coaxial cable components conductor connected constant corona designed detection impedance device dielectric diode dissipation factor dissipation-factor measurements distributed stray ground electromagnetic interference electrometer electronic electrostatic voltmeter Elektrot equation equivalent circuit error evaluated high-frequency high-ohmic IEEE impulse voltages input instrument insulation leads loading effect low-ohmic resistors low-voltage arm measurement of high Messen Messung method null detector ohmic oscillations oscilloscope output voltage parallel capacitance partial discharge peak value phase angle potential probe R₁ R₂ ratio resistor risetime Rogowski coil Schering Schering bridge shown in Fig shunt signal cable skin effect spark gap sphere gap standard capacitor static electrification step response storage capacitor stray ground capacitances surge Techn Tektronix terminal test object Trans tube unit length V₁ v₂ voltage divider voltage drop voltmeter waveform West Germany